213533232652 has 12 divisors (see below), whose sum is σ = 374958528336. Its totient is φ = 106402224560.

The previous prime is 213533232611. The next prime is 213533232659. The reversal of 213533232652 is 256232335312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213533232659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91096624 + ... + 91098967.

It is an arithmetic number, because the mean of its divisors is an integer number (31246544028).

Almost surely, 2^213533232652 is an apocalyptic number.

It is an amenable number.

213533232652 is a deficient number, since it is larger than the sum of its proper divisors (161425295684).

213533232652 is a wasteful number, since it uses less digits than its factorization.

213533232652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182195888 (or 182195886 counting only the distinct ones).

The product of its digits is 194400, while the sum is 37.

Adding to 213533232652 its reverse (256232335312), we get a palindrome (469765567964).

The spelling of 213533232652 in words is "two hundred thirteen billion, five hundred thirty-three million, two hundred thirty-two thousand, six hundred fifty-two".